Free Flight Du ration Tu-gad LTurbutator 2 LlGV2IAppG btj Dou0Joce Bob Meu ser AMA Car8o Record z oz/ 3 flights EVERYBODY knows canards dont fly well conventional layouts No World Championship category has ever won canard Nats event has won canard least quarter century fewperhaps onenational records held canards Everybody knows canards bum mers therefore nobody builds canards therefore dont win much anything confirms what everybody knows classic self-fulfilling prophesy Yet first man-carrying airplane fly worlds advanced bomber man-powered aircraft Gussamer Condor name few canards About 25 years ago Doug Joyce decided chuck conventional configurations give canards go has flown canards virtually outdoor FF-Power class going has done rather well anyone has seen FAI Power mod els perform will confirm guy flying canards other 99 flying conventional layouts layout going make best overall showing regardless inherent advantages over other Cargo ultimate small-field event Most Cargo models will barely stagger way other end parking lot Motor run 20 sec max 40 Unless get real good finding ther mals full grown time 15 feet tall Cargo ultimate test aerodynamic efficiency fine tun ing Being able tote extra ounce comes technological breakthrough century current record quan tum jump over previous held canard Doug Joyce man did Joyces Lagniappe unique several respects aside its canardicity sports winglets thing Whether help hard say model has flown winglets show advantage free flight likely occur limited-span events another thing powered two Cox Tee-Dee 010 en gines rather single Cox 020 usually employed According Doug Two Cox 010s produce thrust single 020 According old model mag power 010 0028 horsepower 26000 rpm 020 produces 0031 horsepower 21000 rpm incidentally Doug used Dec 30 1977 Kinq Oraue Internats 354 j Solid 4 sq pine top & bottom s$ieet sides Two Cox 010 et1Eitte Cox grej props -tiiinned 6 A-I compartment 301 s-SoLid 6cLISLI 40 Model Aviation power department remarkable Joyce canard Cargo modeltwo 010s out stalks like insect eyes displacement limit 02 two 010s develop thrust 02 Since record load carried wasa quantum jump does pay consider special configurations straight off-the-shelf Cox Red Can Red-Can fuel gives clean consist ent engine run have much bet ter results since switched high nitro brews Ligniappe started out wing later switched illustrated front wing has original 12% section Benedek mean-camber line has zig-zag thread turbulator minimize effect low Reynolds number turbulator absolutely essential cidentally Dougs FAI Power models no great shakes until put tur bulator canard surface Turbulators work wing airfoil Benedek B6356-b has rather success ful A-2 Nordic Glider competition Out side just conventional model has 400% stab Rules allow 20-sec engine run meas ured instant release take off flight count model must remain airborne least 40 sec score total gross weight best three official flights allowed 12 attempts Dougs total three flights 82 oz its best flight model weighed 273 oz stayed up safe 57 sec Lagniappe New Orleans French little something extra Such new AMA national record hind pocket Danger Fire can go wrong will go wrong Its Murphys law can deny black marks top pylon similar marks bottom wing rests pylon No prob lem until time threshold crossed fire starts minor nuisance becomes large problem large hurry current crop hot engines rev up beyond belief single-cylinder two-stroke engine noted its vibration-free running Vibration causes friction friction causes heat card-carrying Boy Scout knows heat causes fire fire causes problems Large ones often Sigs foam tape affixed top pylon will undoubtedly help reduce friction reduce probability fire Using few rubberbands will probably help too event see burn marks better cure problem before becomes problem Editor Johnny Clemens stunt model1947with rubberbanded wing entire wing saddle scorched Stopwatches Chronographs Such Sooner later really com petition free flight youll want buy stopwatch choices hand-held stopwatch wrist-chronograph either can mechanical electronic/digital variety Decisions decisions conventional mechanical stopwatch pretty tough beat willing Continued page 102 August 1 978 41 2h-gram aerodynamic phenomenon Stan Stoys tiny Coot IV broke Cat Indoor HLG record riding turbulence Slightly larger version broke earlier record still air Meuser photo max 90/100 seconds spare Digital wrist-stopwatch also tells time 0 day day week day month Price about same good mechanical electric stopwatch Meuser pic Having just set Junior national record Cat II Novice Pennyplane migni nave sometning Kris Warmanns broad smile record flight time 7 mm 522 sec Design Banks drawing appeared Dec 1977 issue Let micro-balloons cure sand down high spots 80 grit paper Resand 150 grit Make loose balloon mix ture work remaining cracks scratches Once cured sand first 150 grit 220 grit Norton Industries manufactures grade sandpaper superior wet dry types dry sanding Its called No-Fil Adalox Paper commonly referred white faced paper dry sanding best accomplished No-Fil type paper After sanding fuselage 220 grit go over 360 grit wet course fuselage contains wood would susceptible warping sanding dry Now prime can applied Sail aire finished K&B epoxy sys tem used four coats prime sanding 220 grit between coats whole aircraft wet sanded 400 grit Two light coats K&B epoxy red sprayed wasnt bad it did take lot less time money building new instance didnt add much weight eitherabout 35 ounces So what waiting Get out resin glass cloth get work FF Duration/Mouser continued page 41 plunk out fifty bucks simple considerably split-seconds variety useful timing both engine runs total flight times Cheapies half price arent worth half what cost went through three years ago would hang up just wrong time Some modern cheapies Ive seen great sec onds fifth-seconds little ambiguous about minutes Fifteen years ago asked house watchmaker what should buy showed guts half dozen dif ferent brands recommended Minerva showed Rugged After 15 years abuse including frequent drop ping concrete Minerva still ac curate better 1/5 sec hour has never serviced goes once around minute cant make half-minute mistake easily can trip 30 sec impossible inadvertently hit wrong button has digital stopwatches now second third generation cost about same conventional mechanical stopwatches bulkier having features dont need bit complicated operate ac curacy precision far exceed guy punching buttons have yet see has definitive click chanical watch virtually impossible misread display can read Mostall fact have seenemploy light-emitting diode LED display easy see dark impossible read broad daylight So-called chronographs combine reg ular wrist watch stopwatch Highquality mechanical ones likely extremely expensive inasmuch de mand low Mechanical electronic pushbuttons extremely small easily bumbled disadvantage weighed against convenience having stopwatch always few digital chron ographs market Most have LED displays have push button read time day having con tinuous liquid crystal display LCD harder find display con tinuously works reflected light consumes almost no electrical energy dim light auxiliary button lights up display Tritium LCD displays work product review product review product review RMs New Competition Free Flights Y3A Mav erick 260 sq wing area designed Tom Hutchinson winner US FF Champs features select balsa machine-cut parts de tailed plans complete building flying structions Price $1550 Zingoalsoa Hutchin son design simple FAI Power model also can flown AMA Classes B built full FAI-required weight Partial kit does include strip wood fuselage sides Does include machine-cut curved parts balsa ply Plans available Car stens Publications PO Box 700 Newton NJ 07860CF-271 $200 Price $1500 plans RM Enterprises 3255 NW Crocker Lane Albany OR 97321 product review product review product review well dark broad daylight far available chron ographs Some have seen give time nearest second useless competition Most digital chronographs have seen have both time out mode lap mode operation latter like split-seconds hand infinite number splits However saw possible display running time after first split works running would display time until punched button opted Armitron available Consumers Distributing CD around $50 isnt CD area dont complain friend got $41 jewelry store special have seen some obviously use same chip around $100 case better the Armitron might well worth extra money conventional mode displays time day sec onds day month day week has smart calendar knows whether 30 31 days month dont think has learned cope leap year Setting minor hassle sort fun once get hang has LCD display night light five know went sick after four months cured jig gling battery stopwatch mode operation reasonably idiot-proof de gree plain one-button mechanical stopwatch has both time-out lap functions latter mode running-time can displayed soon through reading first split during timing wish know time day day week day month can switch con ventional mode back stopwatch mode interrupting stopwatch function Useless sort cute Now Armitron has become part hard see could survive However Minerva sale Stoys Toy Re-Re-Visited Awhile back mentioned Stan Stoy would side lined competition year attending college after setting new Cat egory Indoor Hand-Launch Glider rec ord lied EditorDrawings Stoy Coot appeared April issue During lull college activities April Stan drove some 27 hours attend meet what must best Category site country high school gym Glastonbury Conn ceiling just 35 ft maximum allowed Cat flat beams lights duct work hanging down about 2 ft still leaves usable height 33 ft highest Stan has access Stan put up nine-flight series during mid-morning best two flights being 400 402 new record hitting ceiling lightened 102 Model Aviation OVEN 2801878 CATALOGS SCALE ORAS sloG MORR SON I 48500 M KENZ E HWYVIDA OR 97488 MISS 8fl ernaraino secuno series AA Goodyear racing planes patterned after full-size Formula planes 17-7/8 model designed Russ Sandusky Jerry Kramer can compete AMA AA Scale Racing Class Priced $795 kit includes die-cut machine-cut balsa parts bell cranks leadout wire wheels formed alumi num gear etc Midwest Products Co 400 S Indiana St Hobart IN 46342 product review product review product review glider bitfrom its original 31 grams down perhaps 28and tried another series time making 404 416 ended first HLG session meetapparently HLG rubberpower flying sessions held alter natelyand Stan hit road back Michigan before afternoon session started 82-second total sub mitted AMA official record claim Twenty-seven hours driving order fly toy airplane two hours guess worth Coot 5 set still-air record earlier rather new version smaller machine set controversial recordsince drawn Stanin turbulent air further modifications model however flexible trailing edges apparently really work flight pattern dicated Stan flaps lower ing too early So make flexible Stan drew grooves lower surface about inch forward trail ing edge made progressively deeper performance continued improve Neat trick Spar Notcher Years ago NFFS Di gest presented rib notcher devised George Lewis has since made rounds newsletters magazines John Oldenkamp recently devised simple modification makes satis Clhese dimensions yoern spar notch size 5anaiaper factory notching ribs small wings stabs after have partially assembled John made notcher curved ends dont tend knock out ribs narrow strip No 180 aluminum oxide paper held place using Tite Bond glue Simply hold straightedge place wing guide work notcher back forth along straightedge using rocking motion presto stant spar notches EF Scale World Championships Thought would wake up long way becoming reality dis tinct possibility Bill Hannans slant Good news International Scale Scene British have agreed stage unofficial FF Scale event pro visional FAI rules An indoor Peanut event also expected conducted Both held coming August Woodvale England Near Liverpool Proxy flying OK entries invited USA countrythat may care participate South Africa response great enough way may clear have FF Scale ac cepted official FAI event RC CL Scale Internats being held Woodvale seemed present opportun ity show force FF Scale reality purest form Scale merely poor relation RC CL August1978 103 Please send me...... copies new fourth edition Radio Control Buyers Guide Enclosed $600 copy ordered $525 Guide plus $75 postage & handling Total Enclosed __________ anada City State ZIP Return Boynton & Assoc Clifton House Clifton VA 22024 No 229 Solution FULL-SIZE PLANS . $475 RC Pattern deBolt 40 powerlighter highly aerobatic No 230 AR-25 $275 RC Tiny high performance sailplane 2 channelswinglets No 231 Tiny White Mouse $150 CL 1 /2A-powered mouse racer frequent big-time winner No 232 Ms Peach $150 FF Embryo endurance design Bill Warner Nats winner No 101Short Seamew 40-powered Class Carrier model good prototype lends itself toinnovations8300 No103Kloud King 15-19 AC Old-Timer Free Flight based upon 1938 record breaker FF ....$400 No104Wiley Post Biplane Patitedurable scale designfor either rutitieror tail wagger pulse rudder$225 No 112Snat Sport RC glider simple job can flown engine*276 No 115GollyGeeWhiz Dan Rutherfords simple Half-A powered Combat job turns ona dime$150 No 121Gremlin Sturdy aerobatic AC biplane flies well 35s up SOs*300 No 1234-Bits 40-powered AC 500 Club Racer has winning ways Good sport too$400 No 124SemI-Pm Contest-winning I-IL glider has pop-up tail dethermalizer*100 No 125MaIf-Korda rubber John Oldenkamps 1/2-size all-balsa Old-Timer*176 No 131Gee Bee Model Y 40-powered AC stand-oft scale great old-time racers$600 No 134Cahliato superb Standard Class RC sailplane also took Nets first$400 No 136Fieseler Stotch AC scale model 23-45 5-channel has both slots flaps.*400 No 141Blackburn Monoplane RCScale rendition history-maker wheels floats 40 engine$450 No 140QuickSIlver RC 1/2A Pylon Racer incorporates latest techniques*200 No149ComedIan AC fun-fly serobatic biplane isgood looker 4Oto 60$400 No 155Tellipsoar RC Standard Class sailplane wins stand-out performance$1000 No 159Tercel Keith Trostles 1/2A CL Stunt ship flies excellent pettern$200 No165Midget Mustang Cl 1975-1976 Nate winning Goodyear byJohn Ballard8200 No 166Nothing Fancy AC biplane 35 engines pretty handles beautifully$825 No 168Slmitar AC spectacular flying wing 15 nose-mounted tractor*300 No169DennyplaneACversionoffamedcsbinmodlkifr0 1937 19-25$400 No 174Iron Dog AC Quarter Midget Sell Airacobra has won Pylon contests$400 No 177Zonker AC canard has pattern capability 40 power.6300 No 178Country Boy FF Jim Clam thoroughbredl09151 1/2A$300 No181Bed Check Charlie AC Scale model Russian PT trainer 09/1 5$300 No 183The Answer AC FF cabin 02 sized Replica Old-Timer$176 No 184Seville AC Sport low-wing sailplane 80 wing has excellent performance$350 No 185Chester Slow CL Slow Combat model Dan Rutherford frequent winner$276 No 186Fancy Pants AC Sport/Aerobstic low-wing has ply-skin fuselage 25s 4Ss$450 No lBSVintage 11 AC Antique type old-time open fuse construction 60$476 No 192Chipmunk AC Scala winner 1976 World Championships Nats$900 No 183Stiletto CL stunt model McDonald winner 1976 FAI World Champs$375 No 194Vol Ubre FF rubber-powered Wakefield Bob White Great winner$275 No 195Hats Biplane AC aerobatic scala job takes 40/50 built-in muffler$475 No 198Sportater AC deBolt wing choice aerobatics/racing$375 No 201Roll Out FF hand-launch glider has pop-up dethermalizer$100 No 202Avenger CL profile 049 uses sheet wing maneuverable$1 50 No 203Fokker 0-VIII AC 45 60 Two sheets 2-1/2 scale$900 No204Cardboard Douglas M-2 CL 50 biplane 40 power less $10 expense$600 No 205Hot Rock AC aerobatics 19-40 engines Simple tail-dragger$3 50 No 206Air Camper FF Pientenpol t/2A Charming old-timer 2-sheets$3 00 No 207UvsayOL 5 AC English homebuiltfor 3-chan. 15s Exotic easy Good flier *600 No 208Swinger CL 1/2A all-balsa swing-wing Flyforfunor use expenments$200 No 200Seastruti AC biplane 3 channels 19 wheels pontoons$450 No 210Simplex FF years development wins049/051$460 No 211Together IV CL Rather large impressive stuntar 48 Consistent winner$3 75 No 212MIss America AC Antique famous historic model 2 big sheets 35 to40$925 No213Eliminator II CLCIassA Speed asymmetric design record job$175 No 214Bumbled Bee Jean Psilets tail-fimtvereion Indoor Easy B$100 No 215WIfindlord Ken Sates AC flying wing saliptane highly competitive$650 No 215Mustang Al Meyers lovely CL P-St 46 Sport Scala Stunt$400 No 217RocketearA Al Lidbergs02 FF replica famed Schoenbrun old-timer$200 No 218RC Fairchild Ranger24 AMA Sport Scala 2 big sheets$1000 No219FF Fokker Universal Jumbo-sized rubber scala model Bill Noonan$500 No 220CL Bobcat John Kiladonks Slow Ratlatest state art*150 No 221AC Insider indoorsand out Electric power pulse rudder$300 No 222Winterhawk AC standard class sailplane rugged excellent soarer$350 No 223Fly Baby CL Scale model Pete Bowers homebuiltfor 35-40 AC engine$376 No 224Horsefly AC sport ob Ace pulse rudderless $100 radio$2 SO No 226Ole Reliable AC 70 version 38 oldtimer REM controls 19-25$425 No 226SpitS CL profile 12 versionsbuilt-up solid stuntar 35$4 60 No 227AG-i Agrivatlon AC 4-chan. 26-40 realistic wing$400 No 228Fighters Two CL 1 /2A balsa profiles Japanese Nate us P-26 Peashootar$200 rnrn le numbers plans wish order101 103 I 104112118121123124125131134136141146149 155 159 165 166 168 169 174 177 178 181 183 184 185 186 189 192 193 194 195 198 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 I220221222223224225226227228229230231232 I Please print carefullyEnclosed $______________________ NAME STREET ICITY ESTATEZIP_____ Price includes first-class postage Send check money order payable ModelAviation AMA 815 Fifteenth St NW. Washington DC 20005 nj ultimate objective course enable funding FF Scale teams As nearly can figure out FAI FF Scale rules either rubber power piston power OK what about CO-2 electric event care send entry prize donation simply letter encouragement allvolunteer English group staging un official FF events contact man M Duce esq 22 Hoghton Street Southport England Bob Meuser 4200 Gregory St. Oak land CA 94619 ADVERTISERS INDEX Ace Radio Control85 Adina Silversmiths82 Andrews Aircraft Model Co93 Boynton Associates103 Coverite88 Cox Hobbies IncSecond Cover DGM Industries94 Du-Bro Products56 E K-Products7 Flyline Models84 Fox Mfg Company7 Grish Brothers97 HB Engines101 Hobby Hideaway90 Hobbypoxy87 K&BMfg38 Kraft Southwestern Inc98 Kustom Kraftsmanship96 Midwest Model Products6 Model Builder89 Modernistic Models100 Morrison Repla-Tech102 National Aeronautic Assoc81 Pactra Industries92 Peck-Polymers94 Pica Enterprises3 4 Progress Mfg Company80 S C Carter Services96 Sig Mfg Company1 Sterling Models Inc99 Sullivan Products Inc91 Tatone Products Inc93 Westport International Inc83 Williams Brothers86 World EnginesBack Cover 104 Model Aviation Full-Size Plan List Available complete listing plans pre viously published mag azine through No 224 may obtained free charge writing enclose Stamped self-addressed business-size envelope Model Aviation 815 15th St NW Washington DC 20005
Edition: Model Aviation - 1978/08
Page Numbers: 40, 41, 102, 103, 104
Free Flight Du ration Tu-gad LTurbutator 2 LlGV2IAppG btj Dou0Joce Bob Meu ser AMA Car8o Record z oz/ 3 flights EVERYBODY knows canards dont fly well conventional layouts No World Championship category has ever won canard Nats event has won canard least quarter century fewperhaps onenational records held canards Everybody knows canards bum mers therefore nobody builds canards therefore dont win much anything confirms what everybody knows classic self-fulfilling prophesy Yet first man-carrying airplane fly worlds advanced bomber man-powered aircraft Gussamer Condor name few canards About 25 years ago Doug Joyce decided chuck conventional configurations give canards go has flown canards virtually outdoor FF-Power class going has done rather well anyone has seen FAI Power mod els perform will confirm guy flying canards other 99 flying conventional layouts layout going make best overall showing regardless inherent advantages over other Cargo ultimate small-field event Most Cargo models will barely stagger way other end parking lot Motor run 20 sec max 40 Unless get real good finding ther mals full grown time 15 feet tall Cargo ultimate test aerodynamic efficiency fine tun ing Being able tote extra ounce comes technological breakthrough century current record quan tum jump over previous held canard Doug Joyce man did Joyces Lagniappe unique several respects aside its canardicity sports winglets thing Whether help hard say model has flown winglets show advantage free flight likely occur limited-span events another thing powered two Cox Tee-Dee 010 en gines rather single Cox 020 usually employed According Doug Two Cox 010s produce thrust single 020 According old model mag power 010 0028 horsepower 26000 rpm 020 produces 0031 horsepower 21000 rpm incidentally Doug used Dec 30 1977 Kinq Oraue Internats 354 j Solid 4 sq pine top & bottom s$ieet sides Two Cox 010 et1Eitte Cox grej props -tiiinned 6 A-I compartment 301 s-SoLid 6cLISLI 40 Model Aviation power department remarkable Joyce canard Cargo modeltwo 010s out stalks like insect eyes displacement limit 02 two 010s develop thrust 02 Since record load carried wasa quantum jump does pay consider special configurations straight off-the-shelf Cox Red Can Red-Can fuel gives clean consist ent engine run have much bet ter results since switched high nitro brews Ligniappe started out wing later switched illustrated front wing has original 12% section Benedek mean-camber line has zig-zag thread turbulator minimize effect low Reynolds number turbulator absolutely essential cidentally Dougs FAI Power models no great shakes until put tur bulator canard surface Turbulators work wing airfoil Benedek B6356-b has rather success ful A-2 Nordic Glider competition Out side just conventional model has 400% stab Rules allow 20-sec engine run meas ured instant release take off flight count model must remain airborne least 40 sec score total gross weight best three official flights allowed 12 attempts Dougs total three flights 82 oz its best flight model weighed 273 oz stayed up safe 57 sec Lagniappe New Orleans French little something extra Such new AMA national record hind pocket Danger Fire can go wrong will go wrong Its Murphys law can deny black marks top pylon similar marks bottom wing rests pylon No prob lem until time threshold crossed fire starts minor nuisance becomes large problem large hurry current crop hot engines rev up beyond belief single-cylinder two-stroke engine noted its vibration-free running Vibration causes friction friction causes heat card-carrying Boy Scout knows heat causes fire fire causes problems Large ones often Sigs foam tape affixed top pylon will undoubtedly help reduce friction reduce probability fire Using few rubberbands will probably help too event see burn marks better cure problem before becomes problem Editor Johnny Clemens stunt model1947with rubberbanded wing entire wing saddle scorched Stopwatches Chronographs Such Sooner later really com petition free flight youll want buy stopwatch choices hand-held stopwatch wrist-chronograph either can mechanical electronic/digital variety Decisions decisions conventional mechanical stopwatch pretty tough beat willing Continued page 102 August 1 978 41 2h-gram aerodynamic phenomenon Stan Stoys tiny Coot IV broke Cat Indoor HLG record riding turbulence Slightly larger version broke earlier record still air Meuser photo max 90/100 seconds spare Digital wrist-stopwatch also tells time 0 day day week day month Price about same good mechanical electric stopwatch Meuser pic Having just set Junior national record Cat II Novice Pennyplane migni nave sometning Kris Warmanns broad smile record flight time 7 mm 522 sec Design Banks drawing appeared Dec 1977 issue Let micro-balloons cure sand down high spots 80 grit paper Resand 150 grit Make loose balloon mix ture work remaining cracks scratches Once cured sand first 150 grit 220 grit Norton Industries manufactures grade sandpaper superior wet dry types dry sanding Its called No-Fil Adalox Paper commonly referred white faced paper dry sanding best accomplished No-Fil type paper After sanding fuselage 220 grit go over 360 grit wet course fuselage contains wood would susceptible warping sanding dry Now prime can applied Sail aire finished K&B epoxy sys tem used four coats prime sanding 220 grit between coats whole aircraft wet sanded 400 grit Two light coats K&B epoxy red sprayed wasnt bad it did take lot less time money building new instance didnt add much weight eitherabout 35 ounces So what waiting Get out resin glass cloth get work FF Duration/Mouser continued page 41 plunk out fifty bucks simple considerably split-seconds variety useful timing both engine runs total flight times Cheapies half price arent worth half what cost went through three years ago would hang up just wrong time Some modern cheapies Ive seen great sec onds fifth-seconds little ambiguous about minutes Fifteen years ago asked house watchmaker what should buy showed guts half dozen dif ferent brands recommended Minerva showed Rugged After 15 years abuse including frequent drop ping concrete Minerva still ac curate better 1/5 sec hour has never serviced goes once around minute cant make half-minute mistake easily can trip 30 sec impossible inadvertently hit wrong button has digital stopwatches now second third generation cost about same conventional mechanical stopwatches bulkier having features dont need bit complicated operate ac curacy precision far exceed guy punching buttons have yet see has definitive click chanical watch virtually impossible misread display can read Mostall fact have seenemploy light-emitting diode LED display easy see dark impossible read broad daylight So-called chronographs combine reg ular wrist watch stopwatch Highquality mechanical ones likely extremely expensive inasmuch de mand low Mechanical electronic pushbuttons extremely small easily bumbled disadvantage weighed against convenience having stopwatch always few digital chron ographs market Most have LED displays have push button read time day having con tinuous liquid crystal display LCD harder find display con tinuously works reflected light consumes almost no electrical energy dim light auxiliary button lights up display Tritium LCD displays work product review product review product review RMs New Competition Free Flights Y3A Mav erick 260 sq wing area designed Tom Hutchinson winner US FF Champs features select balsa machine-cut parts de tailed plans complete building flying structions Price $1550 Zingoalsoa Hutchin son design simple FAI Power model also can flown AMA Classes B built full FAI-required weight Partial kit does include strip wood fuselage sides Does include machine-cut curved parts balsa ply Plans available Car stens Publications PO Box 700 Newton NJ 07860CF-271 $200 Price $1500 plans RM Enterprises 3255 NW Crocker Lane Albany OR 97321 product review product review product review well dark broad daylight far available chron ographs Some have seen give time nearest second useless competition Most digital chronographs have seen have both time out mode lap mode operation latter like split-seconds hand infinite number splits However saw possible display running time after first split works running would display time until punched button opted Armitron available Consumers Distributing CD around $50 isnt CD area dont complain friend got $41 jewelry store special have seen some obviously use same chip around $100 case better the Armitron might well worth extra money conventional mode displays time day sec onds day month day week has smart calendar knows whether 30 31 days month dont think has learned cope leap year Setting minor hassle sort fun once get hang has LCD display night light five know went sick after four months cured jig gling battery stopwatch mode operation reasonably idiot-proof de gree plain one-button mechanical stopwatch has both time-out lap functions latter mode running-time can displayed soon through reading first split during timing wish know time day day week day month can switch con ventional mode back stopwatch mode interrupting stopwatch function Useless sort cute Now Armitron has become part hard see could survive However Minerva sale Stoys Toy Re-Re-Visited Awhile back mentioned Stan Stoy would side lined competition year attending college after setting new Cat egory Indoor Hand-Launch Glider rec ord lied EditorDrawings Stoy Coot appeared April issue During lull college activities April Stan drove some 27 hours attend meet what must best Category site country high school gym Glastonbury Conn ceiling just 35 ft maximum allowed Cat flat beams lights duct work hanging down about 2 ft still leaves usable height 33 ft highest Stan has access Stan put up nine-flight series during mid-morning best two flights being 400 402 new record hitting ceiling lightened 102 Model Aviation OVEN 2801878 CATALOGS SCALE ORAS sloG MORR SON I 48500 M KENZ E HWYVIDA OR 97488 MISS 8fl ernaraino secuno series AA Goodyear racing planes patterned after full-size Formula planes 17-7/8 model designed Russ Sandusky Jerry Kramer can compete AMA AA Scale Racing Class Priced $795 kit includes die-cut machine-cut balsa parts bell cranks leadout wire wheels formed alumi num gear etc Midwest Products Co 400 S Indiana St Hobart IN 46342 product review product review product review glider bitfrom its original 31 grams down perhaps 28and tried another series time making 404 416 ended first HLG session meetapparently HLG rubberpower flying sessions held alter natelyand Stan hit road back Michigan before afternoon session started 82-second total sub mitted AMA official record claim Twenty-seven hours driving order fly toy airplane two hours guess worth Coot 5 set still-air record earlier rather new version smaller machine set controversial recordsince drawn Stanin turbulent air further modifications model however flexible trailing edges apparently really work flight pattern dicated Stan flaps lower ing too early So make flexible Stan drew grooves lower surface about inch forward trail ing edge made progressively deeper performance continued improve Neat trick Spar Notcher Years ago NFFS Di gest presented rib notcher devised George Lewis has since made rounds newsletters magazines John Oldenkamp recently devised simple modification makes satis Clhese dimensions yoern spar notch size 5anaiaper factory notching ribs small wings stabs after have partially assembled John made notcher curved ends dont tend knock out ribs narrow strip No 180 aluminum oxide paper held place using Tite Bond glue Simply hold straightedge place wing guide work notcher back forth along straightedge using rocking motion presto stant spar notches EF Scale World Championships Thought would wake up long way becoming reality dis tinct possibility Bill Hannans slant Good news International Scale Scene British have agreed stage unofficial FF Scale event pro visional FAI rules An indoor Peanut event also expected conducted Both held coming August Woodvale England Near Liverpool Proxy flying OK entries invited USA countrythat may care participate South Africa response great enough way may clear have FF Scale ac cepted official FAI event RC CL Scale Internats being held Woodvale seemed present opportun ity show force FF Scale reality purest form Scale merely poor relation RC CL August1978 103 Please send me...... copies new fourth edition Radio Control Buyers Guide Enclosed $600 copy ordered $525 Guide plus $75 postage & handling Total Enclosed __________ anada City State ZIP Return Boynton & Assoc Clifton House Clifton VA 22024 No 229 Solution FULL-SIZE PLANS . $475 RC Pattern deBolt 40 powerlighter highly aerobatic No 230 AR-25 $275 RC Tiny high performance sailplane 2 channelswinglets No 231 Tiny White Mouse $150 CL 1 /2A-powered mouse racer frequent big-time winner No 232 Ms Peach $150 FF Embryo endurance design Bill Warner Nats winner No 101Short Seamew 40-powered Class Carrier model good prototype lends itself toinnovations8300 No103Kloud King 15-19 AC Old-Timer Free Flight based upon 1938 record breaker FF ....$400 No104Wiley Post Biplane Patitedurable scale designfor either rutitieror tail wagger pulse rudder$225 No 112Snat Sport RC glider simple job can flown engine*276 No 115GollyGeeWhiz Dan Rutherfords simple Half-A powered Combat job turns ona dime$150 No 121Gremlin Sturdy aerobatic AC biplane flies well 35s up SOs*300 No 1234-Bits 40-powered AC 500 Club Racer has winning ways Good sport too$400 No 124SemI-Pm Contest-winning I-IL glider has pop-up tail dethermalizer*100 No 125MaIf-Korda rubber John Oldenkamps 1/2-size all-balsa Old-Timer*176 No 131Gee Bee Model Y 40-powered AC stand-oft scale great old-time racers$600 No 134Cahliato superb Standard Class RC sailplane also took Nets first$400 No 136Fieseler Stotch AC scale model 23-45 5-channel has both slots flaps.*400 No 141Blackburn Monoplane RCScale rendition history-maker wheels floats 40 engine$450 No 140QuickSIlver RC 1/2A Pylon Racer incorporates latest techniques*200 No149ComedIan AC fun-fly serobatic biplane isgood looker 4Oto 60$400 No 155Tellipsoar RC Standard Class sailplane wins stand-out performance$1000 No 159Tercel Keith Trostles 1/2A CL Stunt ship flies excellent pettern$200 No165Midget Mustang Cl 1975-1976 Nate winning Goodyear byJohn Ballard8200 No 166Nothing Fancy AC biplane 35 engines pretty handles beautifully$825 No 168Slmitar AC spectacular flying wing 15 nose-mounted tractor*300 No169DennyplaneACversionoffamedcsbinmodlkifr0 1937 19-25$400 No 174Iron Dog AC Quarter Midget Sell Airacobra has won Pylon contests$400 No 177Zonker AC canard has pattern capability 40 power.6300 No 178Country Boy FF Jim Clam thoroughbredl09151 1/2A$300 No181Bed Check Charlie AC Scale model Russian PT trainer 09/1 5$300 No 183The Answer AC FF cabin 02 sized Replica Old-Timer$176 No 184Seville AC Sport low-wing sailplane 80 wing has excellent performance$350 No 185Chester Slow CL Slow Combat model Dan Rutherford frequent winner$276 No 186Fancy Pants AC Sport/Aerobstic low-wing has ply-skin fuselage 25s 4Ss$450 No lBSVintage 11 AC Antique type old-time open fuse construction 60$476 No 192Chipmunk AC Scala winner 1976 World Championships Nats$900 No 183Stiletto CL stunt model McDonald winner 1976 FAI World Champs$375 No 194Vol Ubre FF rubber-powered Wakefield Bob White Great winner$275 No 195Hats Biplane AC aerobatic scala job takes 40/50 built-in muffler$475 No 198Sportater AC deBolt wing choice aerobatics/racing$375 No 201Roll Out FF hand-launch glider has pop-up dethermalizer$100 No 202Avenger CL profile 049 uses sheet wing maneuverable$1 50 No 203Fokker 0-VIII AC 45 60 Two sheets 2-1/2 scale$900 No204Cardboard Douglas M-2 CL 50 biplane 40 power less $10 expense$600 No 205Hot Rock AC aerobatics 19-40 engines Simple tail-dragger$3 50 No 206Air Camper FF Pientenpol t/2A Charming old-timer 2-sheets$3 00 No 207UvsayOL 5 AC English homebuiltfor 3-chan. 15s Exotic easy Good flier *600 No 208Swinger CL 1/2A all-balsa swing-wing Flyforfunor use expenments$200 No 200Seastruti AC biplane 3 channels 19 wheels pontoons$450 No 210Simplex FF years development wins049/051$460 No 211Together IV CL Rather large impressive stuntar 48 Consistent winner$3 75 No 212MIss America AC Antique famous historic model 2 big sheets 35 to40$925 No213Eliminator II CLCIassA Speed asymmetric design record job$175 No 214Bumbled Bee Jean Psilets tail-fimtvereion Indoor Easy B$100 No 215WIfindlord Ken Sates AC flying wing saliptane highly competitive$650 No 215Mustang Al Meyers lovely CL P-St 46 Sport Scala Stunt$400 No 217RocketearA Al Lidbergs02 FF replica famed Schoenbrun old-timer$200 No 218RC Fairchild Ranger24 AMA Sport Scala 2 big sheets$1000 No219FF Fokker Universal Jumbo-sized rubber scala model Bill Noonan$500 No 220CL Bobcat John Kiladonks Slow Ratlatest state art*150 No 221AC Insider indoorsand out Electric power pulse rudder$300 No 222Winterhawk AC standard class sailplane rugged excellent soarer$350 No 223Fly Baby CL Scale model Pete Bowers homebuiltfor 35-40 AC engine$376 No 224Horsefly AC sport ob Ace pulse rudderless $100 radio$2 SO No 226Ole Reliable AC 70 version 38 oldtimer REM controls 19-25$425 No 226SpitS CL profile 12 versionsbuilt-up solid stuntar 35$4 60 No 227AG-i Agrivatlon AC 4-chan. 26-40 realistic wing$400 No 228Fighters Two CL 1 /2A balsa profiles Japanese Nate us P-26 Peashootar$200 rnrn le numbers plans wish order101 103 I 104112118121123124125131134136141146149 155 159 165 166 168 169 174 177 178 181 183 184 185 186 189 192 193 194 195 198 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 I220221222223224225226227228229230231232 I Please print carefullyEnclosed $______________________ NAME STREET ICITY ESTATEZIP_____ Price includes first-class postage Send check money order payable ModelAviation AMA 815 Fifteenth St NW. Washington DC 20005 nj ultimate objective course enable funding FF Scale teams As nearly can figure out FAI FF Scale rules either rubber power piston power OK what about CO-2 electric event care send entry prize donation simply letter encouragement allvolunteer English group staging un official FF events contact man M Duce esq 22 Hoghton Street Southport England Bob Meuser 4200 Gregory St. Oak land CA 94619 ADVERTISERS INDEX Ace Radio Control85 Adina Silversmiths82 Andrews Aircraft Model Co93 Boynton Associates103 Coverite88 Cox Hobbies IncSecond Cover DGM Industries94 Du-Bro Products56 E K-Products7 Flyline Models84 Fox Mfg Company7 Grish Brothers97 HB Engines101 Hobby Hideaway90 Hobbypoxy87 K&BMfg38 Kraft Southwestern Inc98 Kustom Kraftsmanship96 Midwest Model Products6 Model Builder89 Modernistic Models100 Morrison Repla-Tech102 National Aeronautic Assoc81 Pactra Industries92 Peck-Polymers94 Pica Enterprises3 4 Progress Mfg Company80 S C Carter Services96 Sig Mfg Company1 Sterling Models Inc99 Sullivan Products Inc91 Tatone Products Inc93 Westport International Inc83 Williams Brothers86 World EnginesBack Cover 104 Model Aviation Full-Size Plan List Available complete listing plans pre viously published mag azine through No 224 may obtained free charge writing enclose Stamped self-addressed business-size envelope Model Aviation 815 15th St NW Washington DC 20005
Edition: Model Aviation - 1978/08
Page Numbers: 40, 41, 102, 103, 104
Free Flight Du ration Tu-gad LTurbutator 2 LlGV2IAppG btj Dou0Joce Bob Meu ser AMA Car8o Record z oz/ 3 flights EVERYBODY knows canards dont fly well conventional layouts No World Championship category has ever won canard Nats event has won canard least quarter century fewperhaps onenational records held canards Everybody knows canards bum mers therefore nobody builds canards therefore dont win much anything confirms what everybody knows classic self-fulfilling prophesy Yet first man-carrying airplane fly worlds advanced bomber man-powered aircraft Gussamer Condor name few canards About 25 years ago Doug Joyce decided chuck conventional configurations give canards go has flown canards virtually outdoor FF-Power class going has done rather well anyone has seen FAI Power mod els perform will confirm guy flying canards other 99 flying conventional layouts layout going make best overall showing regardless inherent advantages over other Cargo ultimate small-field event Most Cargo models will barely stagger way other end parking lot Motor run 20 sec max 40 Unless get real good finding ther mals full grown time 15 feet tall Cargo ultimate test aerodynamic efficiency fine tun ing Being able tote extra ounce comes technological breakthrough century current record quan tum jump over previous held canard Doug Joyce man did Joyces Lagniappe unique several respects aside its canardicity sports winglets thing Whether help hard say model has flown winglets show advantage free flight likely occur limited-span events another thing powered two Cox Tee-Dee 010 en gines rather single Cox 020 usually employed According Doug Two Cox 010s produce thrust single 020 According old model mag power 010 0028 horsepower 26000 rpm 020 produces 0031 horsepower 21000 rpm incidentally Doug used Dec 30 1977 Kinq Oraue Internats 354 j Solid 4 sq pine top & bottom s$ieet sides Two Cox 010 et1Eitte Cox grej props -tiiinned 6 A-I compartment 301 s-SoLid 6cLISLI 40 Model Aviation power department remarkable Joyce canard Cargo modeltwo 010s out stalks like insect eyes displacement limit 02 two 010s develop thrust 02 Since record load carried wasa quantum jump does pay consider special configurations straight off-the-shelf Cox Red Can Red-Can fuel gives clean consist ent engine run have much bet ter results since switched high nitro brews Ligniappe started out wing later switched illustrated front wing has original 12% section Benedek mean-camber line has zig-zag thread turbulator minimize effect low Reynolds number turbulator absolutely essential cidentally Dougs FAI Power models no great shakes until put tur bulator canard surface Turbulators work wing airfoil Benedek B6356-b has rather success ful A-2 Nordic Glider competition Out side just conventional model has 400% stab Rules allow 20-sec engine run meas ured instant release take off flight count model must remain airborne least 40 sec score total gross weight best three official flights allowed 12 attempts Dougs total three flights 82 oz its best flight model weighed 273 oz stayed up safe 57 sec Lagniappe New Orleans French little something extra Such new AMA national record hind pocket Danger Fire can go wrong will go wrong Its Murphys law can deny black marks top pylon similar marks bottom wing rests pylon No prob lem until time threshold crossed fire starts minor nuisance becomes large problem large hurry current crop hot engines rev up beyond belief single-cylinder two-stroke engine noted its vibration-free running Vibration causes friction friction causes heat card-carrying Boy Scout knows heat causes fire fire causes problems Large ones often Sigs foam tape affixed top pylon will undoubtedly help reduce friction reduce probability fire Using few rubberbands will probably help too event see burn marks better cure problem before becomes problem Editor Johnny Clemens stunt model1947with rubberbanded wing entire wing saddle scorched Stopwatches Chronographs Such Sooner later really com petition free flight youll want buy stopwatch choices hand-held stopwatch wrist-chronograph either can mechanical electronic/digital variety Decisions decisions conventional mechanical stopwatch pretty tough beat willing Continued page 102 August 1 978 41 2h-gram aerodynamic phenomenon Stan Stoys tiny Coot IV broke Cat Indoor HLG record riding turbulence Slightly larger version broke earlier record still air Meuser photo max 90/100 seconds spare Digital wrist-stopwatch also tells time 0 day day week day month Price about same good mechanical electric stopwatch Meuser pic Having just set Junior national record Cat II Novice Pennyplane migni nave sometning Kris Warmanns broad smile record flight time 7 mm 522 sec Design Banks drawing appeared Dec 1977 issue Let micro-balloons cure sand down high spots 80 grit paper Resand 150 grit Make loose balloon mix ture work remaining cracks scratches Once cured sand first 150 grit 220 grit Norton Industries manufactures grade sandpaper superior wet dry types dry sanding Its called No-Fil Adalox Paper commonly referred white faced paper dry sanding best accomplished No-Fil type paper After sanding fuselage 220 grit go over 360 grit wet course fuselage contains wood would susceptible warping sanding dry Now prime can applied Sail aire finished K&B epoxy sys tem used four coats prime sanding 220 grit between coats whole aircraft wet sanded 400 grit Two light coats K&B epoxy red sprayed wasnt bad it did take lot less time money building new instance didnt add much weight eitherabout 35 ounces So what waiting Get out resin glass cloth get work FF Duration/Mouser continued page 41 plunk out fifty bucks simple considerably split-seconds variety useful timing both engine runs total flight times Cheapies half price arent worth half what cost went through three years ago would hang up just wrong time Some modern cheapies Ive seen great sec onds fifth-seconds little ambiguous about minutes Fifteen years ago asked house watchmaker what should buy showed guts half dozen dif ferent brands recommended Minerva showed Rugged After 15 years abuse including frequent drop ping concrete Minerva still ac curate better 1/5 sec hour has never serviced goes once around minute cant make half-minute mistake easily can trip 30 sec impossible inadvertently hit wrong button has digital stopwatches now second third generation cost about same conventional mechanical stopwatches bulkier having features dont need bit complicated operate ac curacy precision far exceed guy punching buttons have yet see has definitive click chanical watch virtually impossible misread display can read Mostall fact have seenemploy light-emitting diode LED display easy see dark impossible read broad daylight So-called chronographs combine reg ular wrist watch stopwatch Highquality mechanical ones likely extremely expensive inasmuch de mand low Mechanical electronic pushbuttons extremely small easily bumbled disadvantage weighed against convenience having stopwatch always few digital chron ographs market Most have LED displays have push button read time day having con tinuous liquid crystal display LCD harder find display con tinuously works reflected light consumes almost no electrical energy dim light auxiliary button lights up display Tritium LCD displays work product review product review product review RMs New Competition Free Flights Y3A Mav erick 260 sq wing area designed Tom Hutchinson winner US FF Champs features select balsa machine-cut parts de tailed plans complete building flying structions Price $1550 Zingoalsoa Hutchin son design simple FAI Power model also can flown AMA Classes B built full FAI-required weight Partial kit does include strip wood fuselage sides Does include machine-cut curved parts balsa ply Plans available Car stens Publications PO Box 700 Newton NJ 07860CF-271 $200 Price $1500 plans RM Enterprises 3255 NW Crocker Lane Albany OR 97321 product review product review product review well dark broad daylight far available chron ographs Some have seen give time nearest second useless competition Most digital chronographs have seen have both time out mode lap mode operation latter like split-seconds hand infinite number splits However saw possible display running time after first split works running would display time until punched button opted Armitron available Consumers Distributing CD around $50 isnt CD area dont complain friend got $41 jewelry store special have seen some obviously use same chip around $100 case better the Armitron might well worth extra money conventional mode displays time day sec onds day month day week has smart calendar knows whether 30 31 days month dont think has learned cope leap year Setting minor hassle sort fun once get hang has LCD display night light five know went sick after four months cured jig gling battery stopwatch mode operation reasonably idiot-proof de gree plain one-button mechanical stopwatch has both time-out lap functions latter mode running-time can displayed soon through reading first split during timing wish know time day day week day month can switch con ventional mode back stopwatch mode interrupting stopwatch function Useless sort cute Now Armitron has become part hard see could survive However Minerva sale Stoys Toy Re-Re-Visited Awhile back mentioned Stan Stoy would side lined competition year attending college after setting new Cat egory Indoor Hand-Launch Glider rec ord lied EditorDrawings Stoy Coot appeared April issue During lull college activities April Stan drove some 27 hours attend meet what must best Category site country high school gym Glastonbury Conn ceiling just 35 ft maximum allowed Cat flat beams lights duct work hanging down about 2 ft still leaves usable height 33 ft highest Stan has access Stan put up nine-flight series during mid-morning best two flights being 400 402 new record hitting ceiling lightened 102 Model Aviation OVEN 2801878 CATALOGS SCALE ORAS sloG MORR SON I 48500 M KENZ E HWYVIDA OR 97488 MISS 8fl ernaraino secuno series AA Goodyear racing planes patterned after full-size Formula planes 17-7/8 model designed Russ Sandusky Jerry Kramer can compete AMA AA Scale Racing Class Priced $795 kit includes die-cut machine-cut balsa parts bell cranks leadout wire wheels formed alumi num gear etc Midwest Products Co 400 S Indiana St Hobart IN 46342 product review product review product review glider bitfrom its original 31 grams down perhaps 28and tried another series time making 404 416 ended first HLG session meetapparently HLG rubberpower flying sessions held alter natelyand Stan hit road back Michigan before afternoon session started 82-second total sub mitted AMA official record claim Twenty-seven hours driving order fly toy airplane two hours guess worth Coot 5 set still-air record earlier rather new version smaller machine set controversial recordsince drawn Stanin turbulent air further modifications model however flexible trailing edges apparently really work flight pattern dicated Stan flaps lower ing too early So make flexible Stan drew grooves lower surface about inch forward trail ing edge made progressively deeper performance continued improve Neat trick Spar Notcher Years ago NFFS Di gest presented rib notcher devised George Lewis has since made rounds newsletters magazines John Oldenkamp recently devised simple modification makes satis Clhese dimensions yoern spar notch size 5anaiaper factory notching ribs small wings stabs after have partially assembled John made notcher curved ends dont tend knock out ribs narrow strip No 180 aluminum oxide paper held place using Tite Bond glue Simply hold straightedge place wing guide work notcher back forth along straightedge using rocking motion presto stant spar notches EF Scale World Championships Thought would wake up long way becoming reality dis tinct possibility Bill Hannans slant Good news International Scale Scene British have agreed stage unofficial FF Scale event pro visional FAI rules An indoor Peanut event also expected conducted Both held coming August Woodvale England Near Liverpool Proxy flying OK entries invited USA countrythat may care participate South Africa response great enough way may clear have FF Scale ac cepted official FAI event RC CL Scale Internats being held Woodvale seemed present opportun ity show force FF Scale reality purest form Scale merely poor relation RC CL August1978 103 Please send me...... copies new fourth edition Radio Control Buyers Guide Enclosed $600 copy ordered $525 Guide plus $75 postage & handling Total Enclosed __________ anada City State ZIP Return Boynton & Assoc Clifton House Clifton VA 22024 No 229 Solution FULL-SIZE PLANS . $475 RC Pattern deBolt 40 powerlighter highly aerobatic No 230 AR-25 $275 RC Tiny high performance sailplane 2 channelswinglets No 231 Tiny White Mouse $150 CL 1 /2A-powered mouse racer frequent big-time winner No 232 Ms Peach $150 FF Embryo endurance design Bill Warner Nats winner No 101Short Seamew 40-powered Class Carrier model good prototype lends itself toinnovations8300 No103Kloud King 15-19 AC Old-Timer Free Flight based upon 1938 record breaker FF ....$400 No104Wiley Post Biplane Patitedurable scale designfor either rutitieror tail wagger pulse rudder$225 No 112Snat Sport RC glider simple job can flown engine*276 No 115GollyGeeWhiz Dan Rutherfords simple Half-A powered Combat job turns ona dime$150 No 121Gremlin Sturdy aerobatic AC biplane flies well 35s up SOs*300 No 1234-Bits 40-powered AC 500 Club Racer has winning ways Good sport too$400 No 124SemI-Pm Contest-winning I-IL glider has pop-up tail dethermalizer*100 No 125MaIf-Korda rubber John Oldenkamps 1/2-size all-balsa Old-Timer*176 No 131Gee Bee Model Y 40-powered AC stand-oft scale great old-time racers$600 No 134Cahliato superb Standard Class RC sailplane also took Nets first$400 No 136Fieseler Stotch AC scale model 23-45 5-channel has both slots flaps.*400 No 141Blackburn Monoplane RCScale rendition history-maker wheels floats 40 engine$450 No 140QuickSIlver RC 1/2A Pylon Racer incorporates latest techniques*200 No149ComedIan AC fun-fly serobatic biplane isgood looker 4Oto 60$400 No 155Tellipsoar RC Standard Class sailplane wins stand-out performance$1000 No 159Tercel Keith Trostles 1/2A CL Stunt ship flies excellent pettern$200 No165Midget Mustang Cl 1975-1976 Nate winning Goodyear byJohn Ballard8200 No 166Nothing Fancy AC biplane 35 engines pretty handles beautifully$825 No 168Slmitar AC spectacular flying wing 15 nose-mounted tractor*300 No169DennyplaneACversionoffamedcsbinmodlkifr0 1937 19-25$400 No 174Iron Dog AC Quarter Midget Sell Airacobra has won Pylon contests$400 No 177Zonker AC canard has pattern capability 40 power.6300 No 178Country Boy FF Jim Clam thoroughbredl09151 1/2A$300 No181Bed Check Charlie AC Scale model Russian PT trainer 09/1 5$300 No 183The Answer AC FF cabin 02 sized Replica Old-Timer$176 No 184Seville AC Sport low-wing sailplane 80 wing has excellent performance$350 No 185Chester Slow CL Slow Combat model Dan Rutherford frequent winner$276 No 186Fancy Pants AC Sport/Aerobstic low-wing has ply-skin fuselage 25s 4Ss$450 No lBSVintage 11 AC Antique type old-time open fuse construction 60$476 No 192Chipmunk AC Scala winner 1976 World Championships Nats$900 No 183Stiletto CL stunt model McDonald winner 1976 FAI World Champs$375 No 194Vol Ubre FF rubber-powered Wakefield Bob White Great winner$275 No 195Hats Biplane AC aerobatic scala job takes 40/50 built-in muffler$475 No 198Sportater AC deBolt wing choice aerobatics/racing$375 No 201Roll Out FF hand-launch glider has pop-up dethermalizer$100 No 202Avenger CL profile 049 uses sheet wing maneuverable$1 50 No 203Fokker 0-VIII AC 45 60 Two sheets 2-1/2 scale$900 No204Cardboard Douglas M-2 CL 50 biplane 40 power less $10 expense$600 No 205Hot Rock AC aerobatics 19-40 engines Simple tail-dragger$3 50 No 206Air Camper FF Pientenpol t/2A Charming old-timer 2-sheets$3 00 No 207UvsayOL 5 AC English homebuiltfor 3-chan. 15s Exotic easy Good flier *600 No 208Swinger CL 1/2A all-balsa swing-wing Flyforfunor use expenments$200 No 200Seastruti AC biplane 3 channels 19 wheels pontoons$450 No 210Simplex FF years development wins049/051$460 No 211Together IV CL Rather large impressive stuntar 48 Consistent winner$3 75 No 212MIss America AC Antique famous historic model 2 big sheets 35 to40$925 No213Eliminator II CLCIassA Speed asymmetric design record job$175 No 214Bumbled Bee Jean Psilets tail-fimtvereion Indoor Easy B$100 No 215WIfindlord Ken Sates AC flying wing saliptane highly competitive$650 No 215Mustang Al Meyers lovely CL P-St 46 Sport Scala Stunt$400 No 217RocketearA Al Lidbergs02 FF replica famed Schoenbrun old-timer$200 No 218RC Fairchild Ranger24 AMA Sport Scala 2 big sheets$1000 No219FF Fokker Universal Jumbo-sized rubber scala model Bill Noonan$500 No 220CL Bobcat John Kiladonks Slow Ratlatest state art*150 No 221AC Insider indoorsand out Electric power pulse rudder$300 No 222Winterhawk AC standard class sailplane rugged excellent soarer$350 No 223Fly Baby CL Scale model Pete Bowers homebuiltfor 35-40 AC engine$376 No 224Horsefly AC sport ob Ace pulse rudderless $100 radio$2 SO No 226Ole Reliable AC 70 version 38 oldtimer REM controls 19-25$425 No 226SpitS CL profile 12 versionsbuilt-up solid stuntar 35$4 60 No 227AG-i Agrivatlon AC 4-chan. 26-40 realistic wing$400 No 228Fighters Two CL 1 /2A balsa profiles Japanese Nate us P-26 Peashootar$200 rnrn le numbers plans wish order101 103 I 104112118121123124125131134136141146149 155 159 165 166 168 169 174 177 178 181 183 184 185 186 189 192 193 194 195 198 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 I220221222223224225226227228229230231232 I Please print carefullyEnclosed $______________________ NAME STREET ICITY ESTATEZIP_____ Price includes first-class postage Send check money order payable ModelAviation AMA 815 Fifteenth St NW. Washington DC 20005 nj ultimate objective course enable funding FF Scale teams As nearly can figure out FAI FF Scale rules either rubber power piston power OK what about CO-2 electric event care send entry prize donation simply letter encouragement allvolunteer English group staging un official FF events contact man M Duce esq 22 Hoghton Street Southport England Bob Meuser 4200 Gregory St. Oak land CA 94619 ADVERTISERS INDEX Ace Radio Control85 Adina Silversmiths82 Andrews Aircraft Model Co93 Boynton Associates103 Coverite88 Cox Hobbies IncSecond Cover DGM Industries94 Du-Bro Products56 E K-Products7 Flyline Models84 Fox Mfg Company7 Grish Brothers97 HB Engines101 Hobby Hideaway90 Hobbypoxy87 K&BMfg38 Kraft Southwestern Inc98 Kustom Kraftsmanship96 Midwest Model Products6 Model Builder89 Modernistic Models100 Morrison Repla-Tech102 National Aeronautic Assoc81 Pactra Industries92 Peck-Polymers94 Pica Enterprises3 4 Progress Mfg Company80 S C Carter Services96 Sig Mfg Company1 Sterling Models Inc99 Sullivan Products Inc91 Tatone Products Inc93 Westport International Inc83 Williams Brothers86 World EnginesBack Cover 104 Model Aviation Full-Size Plan List Available complete listing plans pre viously published mag azine through No 224 may obtained free charge writing enclose Stamped self-addressed business-size envelope Model Aviation 815 15th St NW Washington DC 20005
Edition: Model Aviation - 1978/08
Page Numbers: 40, 41, 102, 103, 104
Free Flight Du ration Tu-gad LTurbutator 2 LlGV2IAppG btj Dou0Joce Bob Meu ser AMA Car8o Record z oz/ 3 flights EVERYBODY knows canards dont fly well conventional layouts No World Championship category has ever won canard Nats event has won canard least quarter century fewperhaps onenational records held canards Everybody knows canards bum mers therefore nobody builds canards therefore dont win much anything confirms what everybody knows classic self-fulfilling prophesy Yet first man-carrying airplane fly worlds advanced bomber man-powered aircraft Gussamer Condor name few canards About 25 years ago Doug Joyce decided chuck conventional configurations give canards go has flown canards virtually outdoor FF-Power class going has done rather well anyone has seen FAI Power mod els perform will confirm guy flying canards other 99 flying conventional layouts layout going make best overall showing regardless inherent advantages over other Cargo ultimate small-field event Most Cargo models will barely stagger way other end parking lot Motor run 20 sec max 40 Unless get real good finding ther mals full grown time 15 feet tall Cargo ultimate test aerodynamic efficiency fine tun ing Being able tote extra ounce comes technological breakthrough century current record quan tum jump over previous held canard Doug Joyce man did Joyces Lagniappe unique several respects aside its canardicity sports winglets thing Whether help hard say model has flown winglets show advantage free flight likely occur limited-span events another thing powered two Cox Tee-Dee 010 en gines rather single Cox 020 usually employed According Doug Two Cox 010s produce thrust single 020 According old model mag power 010 0028 horsepower 26000 rpm 020 produces 0031 horsepower 21000 rpm incidentally Doug used Dec 30 1977 Kinq Oraue Internats 354 j Solid 4 sq pine top & bottom s$ieet sides Two Cox 010 et1Eitte Cox grej props -tiiinned 6 A-I compartment 301 s-SoLid 6cLISLI 40 Model Aviation power department remarkable Joyce canard Cargo modeltwo 010s out stalks like insect eyes displacement limit 02 two 010s develop thrust 02 Since record load carried wasa quantum jump does pay consider special configurations straight off-the-shelf Cox Red Can Red-Can fuel gives clean consist ent engine run have much bet ter results since switched high nitro brews Ligniappe started out wing later switched illustrated front wing has original 12% section Benedek mean-camber line has zig-zag thread turbulator minimize effect low Reynolds number turbulator absolutely essential cidentally Dougs FAI Power models no great shakes until put tur bulator canard surface Turbulators work wing airfoil Benedek B6356-b has rather success ful A-2 Nordic Glider competition Out side just conventional model has 400% stab Rules allow 20-sec engine run meas ured instant release take off flight count model must remain airborne least 40 sec score total gross weight best three official flights allowed 12 attempts Dougs total three flights 82 oz its best flight model weighed 273 oz stayed up safe 57 sec Lagniappe New Orleans French little something extra Such new AMA national record hind pocket Danger Fire can go wrong will go wrong Its Murphys law can deny black marks top pylon similar marks bottom wing rests pylon No prob lem until time threshold crossed fire starts minor nuisance becomes large problem large hurry current crop hot engines rev up beyond belief single-cylinder two-stroke engine noted its vibration-free running Vibration causes friction friction causes heat card-carrying Boy Scout knows heat causes fire fire causes problems Large ones often Sigs foam tape affixed top pylon will undoubtedly help reduce friction reduce probability fire Using few rubberbands will probably help too event see burn marks better cure problem before becomes problem Editor Johnny Clemens stunt model1947with rubberbanded wing entire wing saddle scorched Stopwatches Chronographs Such Sooner later really com petition free flight youll want buy stopwatch choices hand-held stopwatch wrist-chronograph either can mechanical electronic/digital variety Decisions decisions conventional mechanical stopwatch pretty tough beat willing Continued page 102 August 1 978 41 2h-gram aerodynamic phenomenon Stan Stoys tiny Coot IV broke Cat Indoor HLG record riding turbulence Slightly larger version broke earlier record still air Meuser photo max 90/100 seconds spare Digital wrist-stopwatch also tells time 0 day day week day month Price about same good mechanical electric stopwatch Meuser pic Having just set Junior national record Cat II Novice Pennyplane migni nave sometning Kris Warmanns broad smile record flight time 7 mm 522 sec Design Banks drawing appeared Dec 1977 issue Let micro-balloons cure sand down high spots 80 grit paper Resand 150 grit Make loose balloon mix ture work remaining cracks scratches Once cured sand first 150 grit 220 grit Norton Industries manufactures grade sandpaper superior wet dry types dry sanding Its called No-Fil Adalox Paper commonly referred white faced paper dry sanding best accomplished No-Fil type paper After sanding fuselage 220 grit go over 360 grit wet course fuselage contains wood would susceptible warping sanding dry Now prime can applied Sail aire finished K&B epoxy sys tem used four coats prime sanding 220 grit between coats whole aircraft wet sanded 400 grit Two light coats K&B epoxy red sprayed wasnt bad it did take lot less time money building new instance didnt add much weight eitherabout 35 ounces So what waiting Get out resin glass cloth get work FF Duration/Mouser continued page 41 plunk out fifty bucks simple considerably split-seconds variety useful timing both engine runs total flight times Cheapies half price arent worth half what cost went through three years ago would hang up just wrong time Some modern cheapies Ive seen great sec onds fifth-seconds little ambiguous about minutes Fifteen years ago asked house watchmaker what should buy showed guts half dozen dif ferent brands recommended Minerva showed Rugged After 15 years abuse including frequent drop ping concrete Minerva still ac curate better 1/5 sec hour has never serviced goes once around minute cant make half-minute mistake easily can trip 30 sec impossible inadvertently hit wrong button has digital stopwatches now second third generation cost about same conventional mechanical stopwatches bulkier having features dont need bit complicated operate ac curacy precision far exceed guy punching buttons have yet see has definitive click chanical watch virtually impossible misread display can read Mostall fact have seenemploy light-emitting diode LED display easy see dark impossible read broad daylight So-called chronographs combine reg ular wrist watch stopwatch Highquality mechanical ones likely extremely expensive inasmuch de mand low Mechanical electronic pushbuttons extremely small easily bumbled disadvantage weighed against convenience having stopwatch always few digital chron ographs market Most have LED displays have push button read time day having con tinuous liquid crystal display LCD harder find display con tinuously works reflected light consumes almost no electrical energy dim light auxiliary button lights up display Tritium LCD displays work product review product review product review RMs New Competition Free Flights Y3A Mav erick 260 sq wing area designed Tom Hutchinson winner US FF Champs features select balsa machine-cut parts de tailed plans complete building flying structions Price $1550 Zingoalsoa Hutchin son design simple FAI Power model also can flown AMA Classes B built full FAI-required weight Partial kit does include strip wood fuselage sides Does include machine-cut curved parts balsa ply Plans available Car stens Publications PO Box 700 Newton NJ 07860CF-271 $200 Price $1500 plans RM Enterprises 3255 NW Crocker Lane Albany OR 97321 product review product review product review well dark broad daylight far available chron ographs Some have seen give time nearest second useless competition Most digital chronographs have seen have both time out mode lap mode operation latter like split-seconds hand infinite number splits However saw possible display running time after first split works running would display time until punched button opted Armitron available Consumers Distributing CD around $50 isnt CD area dont complain friend got $41 jewelry store special have seen some obviously use same chip around $100 case better the Armitron might well worth extra money conventional mode displays time day sec onds day month day week has smart calendar knows whether 30 31 days month dont think has learned cope leap year Setting minor hassle sort fun once get hang has LCD display night light five know went sick after four months cured jig gling battery stopwatch mode operation reasonably idiot-proof de gree plain one-button mechanical stopwatch has both time-out lap functions latter mode running-time can displayed soon through reading first split during timing wish know time day day week day month can switch con ventional mode back stopwatch mode interrupting stopwatch function Useless sort cute Now Armitron has become part hard see could survive However Minerva sale Stoys Toy Re-Re-Visited Awhile back mentioned Stan Stoy would side lined competition year attending college after setting new Cat egory Indoor Hand-Launch Glider rec ord lied EditorDrawings Stoy Coot appeared April issue During lull college activities April Stan drove some 27 hours attend meet what must best Category site country high school gym Glastonbury Conn ceiling just 35 ft maximum allowed Cat flat beams lights duct work hanging down about 2 ft still leaves usable height 33 ft highest Stan has access Stan put up nine-flight series during mid-morning best two flights being 400 402 new record hitting ceiling lightened 102 Model Aviation OVEN 2801878 CATALOGS SCALE ORAS sloG MORR SON I 48500 M KENZ E HWYVIDA OR 97488 MISS 8fl ernaraino secuno series AA Goodyear racing planes patterned after full-size Formula planes 17-7/8 model designed Russ Sandusky Jerry Kramer can compete AMA AA Scale Racing Class Priced $795 kit includes die-cut machine-cut balsa parts bell cranks leadout wire wheels formed alumi num gear etc Midwest Products Co 400 S Indiana St Hobart IN 46342 product review product review product review glider bitfrom its original 31 grams down perhaps 28and tried another series time making 404 416 ended first HLG session meetapparently HLG rubberpower flying sessions held alter natelyand Stan hit road back Michigan before afternoon session started 82-second total sub mitted AMA official record claim Twenty-seven hours driving order fly toy airplane two hours guess worth Coot 5 set still-air record earlier rather new version smaller machine set controversial recordsince drawn Stanin turbulent air further modifications model however flexible trailing edges apparently really work flight pattern dicated Stan flaps lower ing too early So make flexible Stan drew grooves lower surface about inch forward trail ing edge made progressively deeper performance continued improve Neat trick Spar Notcher Years ago NFFS Di gest presented rib notcher devised George Lewis has since made rounds newsletters magazines John Oldenkamp recently devised simple modification makes satis Clhese dimensions yoern spar notch size 5anaiaper factory notching ribs small wings stabs after have partially assembled John made notcher curved ends dont tend knock out ribs narrow strip No 180 aluminum oxide paper held place using Tite Bond glue Simply hold straightedge place wing guide work notcher back forth along straightedge using rocking motion presto stant spar notches EF Scale World Championships Thought would wake up long way becoming reality dis tinct possibility Bill Hannans slant Good news International Scale Scene British have agreed stage unofficial FF Scale event pro visional FAI rules An indoor Peanut event also expected conducted Both held coming August Woodvale England Near Liverpool Proxy flying OK entries invited USA countrythat may care participate South Africa response great enough way may clear have FF Scale ac cepted official FAI event RC CL Scale Internats being held Woodvale seemed present opportun ity show force FF Scale reality purest form Scale merely poor relation RC CL August1978 103 Please send me...... copies new fourth edition Radio Control Buyers Guide Enclosed $600 copy ordered $525 Guide plus $75 postage & handling Total Enclosed __________ anada City State ZIP Return Boynton & Assoc Clifton House Clifton VA 22024 No 229 Solution FULL-SIZE PLANS . $475 RC Pattern deBolt 40 powerlighter highly aerobatic No 230 AR-25 $275 RC Tiny high performance sailplane 2 channelswinglets No 231 Tiny White Mouse $150 CL 1 /2A-powered mouse racer frequent big-time winner No 232 Ms Peach $150 FF Embryo endurance design Bill Warner Nats winner No 101Short Seamew 40-powered Class Carrier model good prototype lends itself toinnovations8300 No103Kloud King 15-19 AC Old-Timer Free Flight based upon 1938 record breaker FF ....$400 No104Wiley Post Biplane Patitedurable scale designfor either rutitieror tail wagger pulse rudder$225 No 112Snat Sport RC glider simple job can flown engine*276 No 115GollyGeeWhiz Dan Rutherfords simple Half-A powered Combat job turns ona dime$150 No 121Gremlin Sturdy aerobatic AC biplane flies well 35s up SOs*300 No 1234-Bits 40-powered AC 500 Club Racer has winning ways Good sport too$400 No 124SemI-Pm Contest-winning I-IL glider has pop-up tail dethermalizer*100 No 125MaIf-Korda rubber John Oldenkamps 1/2-size all-balsa Old-Timer*176 No 131Gee Bee Model Y 40-powered AC stand-oft scale great old-time racers$600 No 134Cahliato superb Standard Class RC sailplane also took Nets first$400 No 136Fieseler Stotch AC scale model 23-45 5-channel has both slots flaps.*400 No 141Blackburn Monoplane RCScale rendition history-maker wheels floats 40 engine$450 No 140QuickSIlver RC 1/2A Pylon Racer incorporates latest techniques*200 No149ComedIan AC fun-fly serobatic biplane isgood looker 4Oto 60$400 No 155Tellipsoar RC Standard Class sailplane wins stand-out performance$1000 No 159Tercel Keith Trostles 1/2A CL Stunt ship flies excellent pettern$200 No165Midget Mustang Cl 1975-1976 Nate winning Goodyear byJohn Ballard8200 No 166Nothing Fancy AC biplane 35 engines pretty handles beautifully$825 No 168Slmitar AC spectacular flying wing 15 nose-mounted tractor*300 No169DennyplaneACversionoffamedcsbinmodlkifr0 1937 19-25$400 No 174Iron Dog AC Quarter Midget Sell Airacobra has won Pylon contests$400 No 177Zonker AC canard has pattern capability 40 power.6300 No 178Country Boy FF Jim Clam thoroughbredl09151 1/2A$300 No181Bed Check Charlie AC Scale model Russian PT trainer 09/1 5$300 No 183The Answer AC FF cabin 02 sized Replica Old-Timer$176 No 184Seville AC Sport low-wing sailplane 80 wing has excellent performance$350 No 185Chester Slow CL Slow Combat model Dan Rutherford frequent winner$276 No 186Fancy Pants AC Sport/Aerobstic low-wing has ply-skin fuselage 25s 4Ss$450 No lBSVintage 11 AC Antique type old-time open fuse construction 60$476 No 192Chipmunk AC Scala winner 1976 World Championships Nats$900 No 183Stiletto CL stunt model McDonald winner 1976 FAI World Champs$375 No 194Vol Ubre FF rubber-powered Wakefield Bob White Great winner$275 No 195Hats Biplane AC aerobatic scala job takes 40/50 built-in muffler$475 No 198Sportater AC deBolt wing choice aerobatics/racing$375 No 201Roll Out FF hand-launch glider has pop-up dethermalizer$100 No 202Avenger CL profile 049 uses sheet wing maneuverable$1 50 No 203Fokker 0-VIII AC 45 60 Two sheets 2-1/2 scale$900 No204Cardboard Douglas M-2 CL 50 biplane 40 power less $10 expense$600 No 205Hot Rock AC aerobatics 19-40 engines Simple tail-dragger$3 50 No 206Air Camper FF Pientenpol t/2A Charming old-timer 2-sheets$3 00 No 207UvsayOL 5 AC English homebuiltfor 3-chan. 15s Exotic easy Good flier *600 No 208Swinger CL 1/2A all-balsa swing-wing Flyforfunor use expenments$200 No 200Seastruti AC biplane 3 channels 19 wheels pontoons$450 No 210Simplex FF years development wins049/051$460 No 211Together IV CL Rather large impressive stuntar 48 Consistent winner$3 75 No 212MIss America AC Antique famous historic model 2 big sheets 35 to40$925 No213Eliminator II CLCIassA Speed asymmetric design record job$175 No 214Bumbled Bee Jean Psilets tail-fimtvereion Indoor Easy B$100 No 215WIfindlord Ken Sates AC flying wing saliptane highly competitive$650 No 215Mustang Al Meyers lovely CL P-St 46 Sport Scala Stunt$400 No 217RocketearA Al Lidbergs02 FF replica famed Schoenbrun old-timer$200 No 218RC Fairchild Ranger24 AMA Sport Scala 2 big sheets$1000 No219FF Fokker Universal Jumbo-sized rubber scala model Bill Noonan$500 No 220CL Bobcat John Kiladonks Slow Ratlatest state art*150 No 221AC Insider indoorsand out Electric power pulse rudder$300 No 222Winterhawk AC standard class sailplane rugged excellent soarer$350 No 223Fly Baby CL Scale model Pete Bowers homebuiltfor 35-40 AC engine$376 No 224Horsefly AC sport ob Ace pulse rudderless $100 radio$2 SO No 226Ole Reliable AC 70 version 38 oldtimer REM controls 19-25$425 No 226SpitS CL profile 12 versionsbuilt-up solid stuntar 35$4 60 No 227AG-i Agrivatlon AC 4-chan. 26-40 realistic wing$400 No 228Fighters Two CL 1 /2A balsa profiles Japanese Nate us P-26 Peashootar$200 rnrn le numbers plans wish order101 103 I 104112118121123124125131134136141146149 155 159 165 166 168 169 174 177 178 181 183 184 185 186 189 192 193 194 195 198 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 I220221222223224225226227228229230231232 I Please print carefullyEnclosed $______________________ NAME STREET ICITY ESTATEZIP_____ Price includes first-class postage Send check money order payable ModelAviation AMA 815 Fifteenth St NW. Washington DC 20005 nj ultimate objective course enable funding FF Scale teams As nearly can figure out FAI FF Scale rules either rubber power piston power OK what about CO-2 electric event care send entry prize donation simply letter encouragement allvolunteer English group staging un official FF events contact man M Duce esq 22 Hoghton Street Southport England Bob Meuser 4200 Gregory St. Oak land CA 94619 ADVERTISERS INDEX Ace Radio Control85 Adina Silversmiths82 Andrews Aircraft Model Co93 Boynton Associates103 Coverite88 Cox Hobbies IncSecond Cover DGM Industries94 Du-Bro Products56 E K-Products7 Flyline Models84 Fox Mfg Company7 Grish Brothers97 HB Engines101 Hobby Hideaway90 Hobbypoxy87 K&BMfg38 Kraft Southwestern Inc98 Kustom Kraftsmanship96 Midwest Model Products6 Model Builder89 Modernistic Models100 Morrison Repla-Tech102 National Aeronautic Assoc81 Pactra Industries92 Peck-Polymers94 Pica Enterprises3 4 Progress Mfg Company80 S C Carter Services96 Sig Mfg Company1 Sterling Models Inc99 Sullivan Products Inc91 Tatone Products Inc93 Westport International Inc83 Williams Brothers86 World EnginesBack Cover 104 Model Aviation Full-Size Plan List Available complete listing plans pre viously published mag azine through No 224 may obtained free charge writing enclose Stamped self-addressed business-size envelope Model Aviation 815 15th St NW Washington DC 20005
Edition: Model Aviation - 1978/08
Page Numbers: 40, 41, 102, 103, 104
Free Flight Du ration Tu-gad LTurbutator 2 LlGV2IAppG btj Dou0Joce Bob Meu ser AMA Car8o Record z oz/ 3 flights EVERYBODY knows canards dont fly well conventional layouts No World Championship category has ever won canard Nats event has won canard least quarter century fewperhaps onenational records held canards Everybody knows canards bum mers therefore nobody builds canards therefore dont win much anything confirms what everybody knows classic self-fulfilling prophesy Yet first man-carrying airplane fly worlds advanced bomber man-powered aircraft Gussamer Condor name few canards About 25 years ago Doug Joyce decided chuck conventional configurations give canards go has flown canards virtually outdoor FF-Power class going has done rather well anyone has seen FAI Power mod els perform will confirm guy flying canards other 99 flying conventional layouts layout going make best overall showing regardless inherent advantages over other Cargo ultimate small-field event Most Cargo models will barely stagger way other end parking lot Motor run 20 sec max 40 Unless get real good finding ther mals full grown time 15 feet tall Cargo ultimate test aerodynamic efficiency fine tun ing Being able tote extra ounce comes technological breakthrough century current record quan tum jump over previous held canard Doug Joyce man did Joyces Lagniappe unique several respects aside its canardicity sports winglets thing Whether help hard say model has flown winglets show advantage free flight likely occur limited-span events another thing powered two Cox Tee-Dee 010 en gines rather single Cox 020 usually employed According Doug Two Cox 010s produce thrust single 020 According old model mag power 010 0028 horsepower 26000 rpm 020 produces 0031 horsepower 21000 rpm incidentally Doug used Dec 30 1977 Kinq Oraue Internats 354 j Solid 4 sq pine top & bottom s$ieet sides Two Cox 010 et1Eitte Cox grej props -tiiinned 6 A-I compartment 301 s-SoLid 6cLISLI 40 Model Aviation power department remarkable Joyce canard Cargo modeltwo 010s out stalks like insect eyes displacement limit 02 two 010s develop thrust 02 Since record load carried wasa quantum jump does pay consider special configurations straight off-the-shelf Cox Red Can Red-Can fuel gives clean consist ent engine run have much bet ter results since switched high nitro brews Ligniappe started out wing later switched illustrated front wing has original 12% section Benedek mean-camber line has zig-zag thread turbulator minimize effect low Reynolds number turbulator absolutely essential cidentally Dougs FAI Power models no great shakes until put tur bulator canard surface Turbulators work wing airfoil Benedek B6356-b has rather success ful A-2 Nordic Glider competition Out side just conventional model has 400% stab Rules allow 20-sec engine run meas ured instant release take off flight count model must remain airborne least 40 sec score total gross weight best three official flights allowed 12 attempts Dougs total three flights 82 oz its best flight model weighed 273 oz stayed up safe 57 sec Lagniappe New Orleans French little something extra Such new AMA national record hind pocket Danger Fire can go wrong will go wrong Its Murphys law can deny black marks top pylon similar marks bottom wing rests pylon No prob lem until time threshold crossed fire starts minor nuisance becomes large problem large hurry current crop hot engines rev up beyond belief single-cylinder two-stroke engine noted its vibration-free running Vibration causes friction friction causes heat card-carrying Boy Scout knows heat causes fire fire causes problems Large ones often Sigs foam tape affixed top pylon will undoubtedly help reduce friction reduce probability fire Using few rubberbands will probably help too event see burn marks better cure problem before becomes problem Editor Johnny Clemens stunt model1947with rubberbanded wing entire wing saddle scorched Stopwatches Chronographs Such Sooner later really com petition free flight youll want buy stopwatch choices hand-held stopwatch wrist-chronograph either can mechanical electronic/digital variety Decisions decisions conventional mechanical stopwatch pretty tough beat willing Continued page 102 August 1 978 41 2h-gram aerodynamic phenomenon Stan Stoys tiny Coot IV broke Cat Indoor HLG record riding turbulence Slightly larger version broke earlier record still air Meuser photo max 90/100 seconds spare Digital wrist-stopwatch also tells time 0 day day week day month Price about same good mechanical electric stopwatch Meuser pic Having just set Junior national record Cat II Novice Pennyplane migni nave sometning Kris Warmanns broad smile record flight time 7 mm 522 sec Design Banks drawing appeared Dec 1977 issue Let micro-balloons cure sand down high spots 80 grit paper Resand 150 grit Make loose balloon mix ture work remaining cracks scratches Once cured sand first 150 grit 220 grit Norton Industries manufactures grade sandpaper superior wet dry types dry sanding Its called No-Fil Adalox Paper commonly referred white faced paper dry sanding best accomplished No-Fil type paper After sanding fuselage 220 grit go over 360 grit wet course fuselage contains wood would susceptible warping sanding dry Now prime can applied Sail aire finished K&B epoxy sys tem used four coats prime sanding 220 grit between coats whole aircraft wet sanded 400 grit Two light coats K&B epoxy red sprayed wasnt bad it did take lot less time money building new instance didnt add much weight eitherabout 35 ounces So what waiting Get out resin glass cloth get work FF Duration/Mouser continued page 41 plunk out fifty bucks simple considerably split-seconds variety useful timing both engine runs total flight times Cheapies half price arent worth half what cost went through three years ago would hang up just wrong time Some modern cheapies Ive seen great sec onds fifth-seconds little ambiguous about minutes Fifteen years ago asked house watchmaker what should buy showed guts half dozen dif ferent brands recommended Minerva showed Rugged After 15 years abuse including frequent drop ping concrete Minerva still ac curate better 1/5 sec hour has never serviced goes once around minute cant make half-minute mistake easily can trip 30 sec impossible inadvertently hit wrong button has digital stopwatches now second third generation cost about same conventional mechanical stopwatches bulkier having features dont need bit complicated operate ac curacy precision far exceed guy punching buttons have yet see has definitive click chanical watch virtually impossible misread display can read Mostall fact have seenemploy light-emitting diode LED display easy see dark impossible read broad daylight So-called chronographs combine reg ular wrist watch stopwatch Highquality mechanical ones likely extremely expensive inasmuch de mand low Mechanical electronic pushbuttons extremely small easily bumbled disadvantage weighed against convenience having stopwatch always few digital chron ographs market Most have LED displays have push button read time day having con tinuous liquid crystal display LCD harder find display con tinuously works reflected light consumes almost no electrical energy dim light auxiliary button lights up display Tritium LCD displays work product review product review product review RMs New Competition Free Flights Y3A Mav erick 260 sq wing area designed Tom Hutchinson winner US FF Champs features select balsa machine-cut parts de tailed plans complete building flying structions Price $1550 Zingoalsoa Hutchin son design simple FAI Power model also can flown AMA Classes B built full FAI-required weight Partial kit does include strip wood fuselage sides Does include machine-cut curved parts balsa ply Plans available Car stens Publications PO Box 700 Newton NJ 07860CF-271 $200 Price $1500 plans RM Enterprises 3255 NW Crocker Lane Albany OR 97321 product review product review product review well dark broad daylight far available chron ographs Some have seen give time nearest second useless competition Most digital chronographs have seen have both time out mode lap mode operation latter like split-seconds hand infinite number splits However saw possible display running time after first split works running would display time until punched button opted Armitron available Consumers Distributing CD around $50 isnt CD area dont complain friend got $41 jewelry store special have seen some obviously use same chip around $100 case better the Armitron might well worth extra money conventional mode displays time day sec onds day month day week has smart calendar knows whether 30 31 days month dont think has learned cope leap year Setting minor hassle sort fun once get hang has LCD display night light five know went sick after four months cured jig gling battery stopwatch mode operation reasonably idiot-proof de gree plain one-button mechanical stopwatch has both time-out lap functions latter mode running-time can displayed soon through reading first split during timing wish know time day day week day month can switch con ventional mode back stopwatch mode interrupting stopwatch function Useless sort cute Now Armitron has become part hard see could survive However Minerva sale Stoys Toy Re-Re-Visited Awhile back mentioned Stan Stoy would side lined competition year attending college after setting new Cat egory Indoor Hand-Launch Glider rec ord lied EditorDrawings Stoy Coot appeared April issue During lull college activities April Stan drove some 27 hours attend meet what must best Category site country high school gym Glastonbury Conn ceiling just 35 ft maximum allowed Cat flat beams lights duct work hanging down about 2 ft still leaves usable height 33 ft highest Stan has access Stan put up nine-flight series during mid-morning best two flights being 400 402 new record hitting ceiling lightened 102 Model Aviation OVEN 2801878 CATALOGS SCALE ORAS sloG MORR SON I 48500 M KENZ E HWYVIDA OR 97488 MISS 8fl ernaraino secuno series AA Goodyear racing planes patterned after full-size Formula planes 17-7/8 model designed Russ Sandusky Jerry Kramer can compete AMA AA Scale Racing Class Priced $795 kit includes die-cut machine-cut balsa parts bell cranks leadout wire wheels formed alumi num gear etc Midwest Products Co 400 S Indiana St Hobart IN 46342 product review product review product review glider bitfrom its original 31 grams down perhaps 28and tried another series time making 404 416 ended first HLG session meetapparently HLG rubberpower flying sessions held alter natelyand Stan hit road back Michigan before afternoon session started 82-second total sub mitted AMA official record claim Twenty-seven hours driving order fly toy airplane two hours guess worth Coot 5 set still-air record earlier rather new version smaller machine set controversial recordsince drawn Stanin turbulent air further modifications model however flexible trailing edges apparently really work flight pattern dicated Stan flaps lower ing too early So make flexible Stan drew grooves lower surface about inch forward trail ing edge made progressively deeper performance continued improve Neat trick Spar Notcher Years ago NFFS Di gest presented rib notcher devised George Lewis has since made rounds newsletters magazines John Oldenkamp recently devised simple modification makes satis Clhese dimensions yoern spar notch size 5anaiaper factory notching ribs small wings stabs after have partially assembled John made notcher curved ends dont tend knock out ribs narrow strip No 180 aluminum oxide paper held place using Tite Bond glue Simply hold straightedge place wing guide work notcher back forth along straightedge using rocking motion presto stant spar notches EF Scale World Championships Thought would wake up long way becoming reality dis tinct possibility Bill Hannans slant Good news International Scale Scene British have agreed stage unofficial FF Scale event pro visional FAI rules An indoor Peanut event also expected conducted Both held coming August Woodvale England Near Liverpool Proxy flying OK entries invited USA countrythat may care participate South Africa response great enough way may clear have FF Scale ac cepted official FAI event RC CL Scale Internats being held Woodvale seemed present opportun ity show force FF Scale reality purest form Scale merely poor relation RC CL August1978 103 Please send me...... copies new fourth edition Radio Control Buyers Guide Enclosed $600 copy ordered $525 Guide plus $75 postage & handling Total Enclosed __________ anada City State ZIP Return Boynton & Assoc Clifton House Clifton VA 22024 No 229 Solution FULL-SIZE PLANS . $475 RC Pattern deBolt 40 powerlighter highly aerobatic No 230 AR-25 $275 RC Tiny high performance sailplane 2 channelswinglets No 231 Tiny White Mouse $150 CL 1 /2A-powered mouse racer frequent big-time winner No 232 Ms Peach $150 FF Embryo endurance design Bill Warner Nats winner No 101Short Seamew 40-powered Class Carrier model good prototype lends itself toinnovations8300 No103Kloud King 15-19 AC Old-Timer Free Flight based upon 1938 record breaker FF ....$400 No104Wiley Post Biplane Patitedurable scale designfor either rutitieror tail wagger pulse rudder$225 No 112Snat Sport RC glider simple job can flown engine*276 No 115GollyGeeWhiz Dan Rutherfords simple Half-A powered Combat job turns ona dime$150 No 121Gremlin Sturdy aerobatic AC biplane flies well 35s up SOs*300 No 1234-Bits 40-powered AC 500 Club Racer has winning ways Good sport too$400 No 124SemI-Pm Contest-winning I-IL glider has pop-up tail dethermalizer*100 No 125MaIf-Korda rubber John Oldenkamps 1/2-size all-balsa Old-Timer*176 No 131Gee Bee Model Y 40-powered AC stand-oft scale great old-time racers$600 No 134Cahliato superb Standard Class RC sailplane also took Nets first$400 No 136Fieseler Stotch AC scale model 23-45 5-channel has both slots flaps.*400 No 141Blackburn Monoplane RCScale rendition history-maker wheels floats 40 engine$450 No 140QuickSIlver RC 1/2A Pylon Racer incorporates latest techniques*200 No149ComedIan AC fun-fly serobatic biplane isgood looker 4Oto 60$400 No 155Tellipsoar RC Standard Class sailplane wins stand-out performance$1000 No 159Tercel Keith Trostles 1/2A CL Stunt ship flies excellent pettern$200 No165Midget Mustang Cl 1975-1976 Nate winning Goodyear byJohn Ballard8200 No 166Nothing Fancy AC biplane 35 engines pretty handles beautifully$825 No 168Slmitar AC spectacular flying wing 15 nose-mounted tractor*300 No169DennyplaneACversionoffamedcsbinmodlkifr0 1937 19-25$400 No 174Iron Dog AC Quarter Midget Sell Airacobra has won Pylon contests$400 No 177Zonker AC canard has pattern capability 40 power.6300 No 178Country Boy FF Jim Clam thoroughbredl09151 1/2A$300 No181Bed Check Charlie AC Scale model Russian PT trainer 09/1 5$300 No 183The Answer AC FF cabin 02 sized Replica Old-Timer$176 No 184Seville AC Sport low-wing sailplane 80 wing has excellent performance$350 No 185Chester Slow CL Slow Combat model Dan Rutherford frequent winner$276 No 186Fancy Pants AC Sport/Aerobstic low-wing has ply-skin fuselage 25s 4Ss$450 No lBSVintage 11 AC Antique type old-time open fuse construction 60$476 No 192Chipmunk AC Scala winner 1976 World Championships Nats$900 No 183Stiletto CL stunt model McDonald winner 1976 FAI World Champs$375 No 194Vol Ubre FF rubber-powered Wakefield Bob White Great winner$275 No 195Hats Biplane AC aerobatic scala job takes 40/50 built-in muffler$475 No 198Sportater AC deBolt wing choice aerobatics/racing$375 No 201Roll Out FF hand-launch glider has pop-up dethermalizer$100 No 202Avenger CL profile 049 uses sheet wing maneuverable$1 50 No 203Fokker 0-VIII AC 45 60 Two sheets 2-1/2 scale$900 No204Cardboard Douglas M-2 CL 50 biplane 40 power less $10 expense$600 No 205Hot Rock AC aerobatics 19-40 engines Simple tail-dragger$3 50 No 206Air Camper FF Pientenpol t/2A Charming old-timer 2-sheets$3 00 No 207UvsayOL 5 AC English homebuiltfor 3-chan. 15s Exotic easy Good flier *600 No 208Swinger CL 1/2A all-balsa swing-wing Flyforfunor use expenments$200 No 200Seastruti AC biplane 3 channels 19 wheels pontoons$450 No 210Simplex FF years development wins049/051$460 No 211Together IV CL Rather large impressive stuntar 48 Consistent winner$3 75 No 212MIss America AC Antique famous historic model 2 big sheets 35 to40$925 No213Eliminator II CLCIassA Speed asymmetric design record job$175 No 214Bumbled Bee Jean Psilets tail-fimtvereion Indoor Easy B$100 No 215WIfindlord Ken Sates AC flying wing saliptane highly competitive$650 No 215Mustang Al Meyers lovely CL P-St 46 Sport Scala Stunt$400 No 217RocketearA Al Lidbergs02 FF replica famed Schoenbrun old-timer$200 No 218RC Fairchild Ranger24 AMA Sport Scala 2 big sheets$1000 No219FF Fokker Universal Jumbo-sized rubber scala model Bill Noonan$500 No 220CL Bobcat John Kiladonks Slow Ratlatest state art*150 No 221AC Insider indoorsand out Electric power pulse rudder$300 No 222Winterhawk AC standard class sailplane rugged excellent soarer$350 No 223Fly Baby CL Scale model Pete Bowers homebuiltfor 35-40 AC engine$376 No 224Horsefly AC sport ob Ace pulse rudderless $100 radio$2 SO No 226Ole Reliable AC 70 version 38 oldtimer REM controls 19-25$425 No 226SpitS CL profile 12 versionsbuilt-up solid stuntar 35$4 60 No 227AG-i Agrivatlon AC 4-chan. 26-40 realistic wing$400 No 228Fighters Two CL 1 /2A balsa profiles Japanese Nate us P-26 Peashootar$200 rnrn le numbers plans wish order101 103 I 104112118121123124125131134136141146149 155 159 165 166 168 169 174 177 178 181 183 184 185 186 189 192 193 194 195 198 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 I220221222223224225226227228229230231232 I Please print carefullyEnclosed $______________________ NAME STREET ICITY ESTATEZIP_____ Price includes first-class postage Send check money order payable ModelAviation AMA 815 Fifteenth St NW. Washington DC 20005 nj ultimate objective course enable funding FF Scale teams As nearly can figure out FAI FF Scale rules either rubber power piston power OK what about CO-2 electric event care send entry prize donation simply letter encouragement allvolunteer English group staging un official FF events contact man M Duce esq 22 Hoghton Street Southport England Bob Meuser 4200 Gregory St. Oak land CA 94619 ADVERTISERS INDEX Ace Radio Control85 Adina Silversmiths82 Andrews Aircraft Model Co93 Boynton Associates103 Coverite88 Cox Hobbies IncSecond Cover DGM Industries94 Du-Bro Products56 E K-Products7 Flyline Models84 Fox Mfg Company7 Grish Brothers97 HB Engines101 Hobby Hideaway90 Hobbypoxy87 K&BMfg38 Kraft Southwestern Inc98 Kustom Kraftsmanship96 Midwest Model Products6 Model Builder89 Modernistic Models100 Morrison Repla-Tech102 National Aeronautic Assoc81 Pactra Industries92 Peck-Polymers94 Pica Enterprises3 4 Progress Mfg Company80 S C Carter Services96 Sig Mfg Company1 Sterling Models Inc99 Sullivan Products Inc91 Tatone Products Inc93 Westport International Inc83 Williams Brothers86 World EnginesBack Cover 104 Model Aviation Full-Size Plan List Available complete listing plans pre viously published mag azine through No 224 may obtained free charge writing enclose Stamped self-addressed business-size envelope Model Aviation 815 15th St NW Washington DC 20005